会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明公开
    • 포토센서, 디스플레이 장치의 동작 방법 및 광센서, 디스플레이 시스템
    • 光电传感器和环境光传感器
    • KR1020090073187A
    • 2009-07-02
    • KR1020097008155
    • 2007-10-04
    • 샤프 가부시키가이샤
    • 하드웬,벤자민,제임스브라운,크리스토퍼,제임스
    • H01L31/10G02F1/133
    • G01J1/44G01J1/1626G01J1/4204G09G3/3406G09G2360/144H01L31/105H01L31/111
    • applying a bias voltage to a photosensor (12) comprising n (n > 1) photo-sensitive elements (8) connected in series, and determining the photocurrent in the photosensor (12) at a time when the applied bias voltage across the photosensor maintains the photosensor at or close to the point at which it has the greatest signal-to-noise ratio. This may conveniently be done by determining the current in the photosensor at a time when the applied bias voltage across the photosensor is equal or approximately equal to n x Vbi, where Vbi is the bias voltage about which the current in a single one of the photo-sensitive elements (8), in the dark, changes sign. In an embodiment in which the photo-sensitive elements (8) are photodiodes, the bias voltage Vbi is the ''built-in'' voltage of the photodiodes. The photocurrent generated when n series-connected photodiodes are illuminated is approximately equal to the photocurrent generated when one photodiode is illuminated. However, the leakage current (i.e., the dark current) for the n series-connected photodiodes is significantly lower than the leakage current for one photodiode. The signal-to-noise-ratio is therefore significantly increased.
    • 对包括串联连接的n(n> 1)个光敏元件(8)的光电传感器(12)施加偏置电压,并且在光电传感器(12)两端施加的偏置电压保持时确定光电传感器(12)中的光电流 光电传感器处于或接近其具有最大信噪比的点。 这可以通过确定光电传感器中的电流在光电传感器上施加的偏置电压等于或近似等于nx Vbi的时间来确定光电传感器的电流,其中Vbi是单个光电传感器中的电流的偏置电压, 敏感元素(8),在黑暗中改变迹象。 在光敏元件(8)是光电二极管的实施例中,偏置电压Vbi是光电二极管的“内置”电压。 当n个串联连接的光电二极管被照亮时产生的光电流近似等于当一个光电二极管被照亮时产生的光电流。 然而,n个串联连接的光电二极管的漏电流(即暗电流)明显低于一个光电二极管的漏电流。 因此,信噪比显着增加。
    • 2. 发明公开
    • 다중 스토리지 노드 전 컬러 액티브 화소 센서
    • 多存储节点全彩色活动像素传感器
    • KR1020010110738A
    • 2001-12-13
    • KR1020017012960
    • 2000-03-15
    • 포베온, 인크.
    • 메릴,리차드,비.라이온,리차드,에프.
    • H01L27/146
    • H04N9/045H01L27/14645H01L27/14647H01L27/14652H01L31/111H04N5/353H04N5/3537H04N5/3745H04N2209/047
    • 액티브화소센서는제1 도전형의반도체기판상에배치되고, 기판에배치된복수의반도체영역, 반도체영역중 한영역을둘러싸는다른영역내에전체적으로둘러싸이지는반도체영역중 각각연속적인영역을포함한다. 복수의반도체영역은제1 도전형과제1 도전형의영역에대향하는제2 도전형사이에교번한다. 반도체영역중 다른모든영역을포함하는반도체영역중 제1 둘러싸는영역은제2 도전형의영역이어서, 복수의직렬접속된광다이오드는기판과반도체영역중 최내의둘러싸여진영역사이에형성된다. 복수의리셋스위치각각은교번하는반도체영역중 다른영역에결합되는제1 단자와리셋전위에전환가능하게결합되는제2 단자를구비한다. 복수의스토리지노드의각각은복수의교번하는반도체영역중 별개의영역에결합된다.
    • 有源像素传感器设置在第一导电类型的半导体衬底上,并且包括设置在衬底中的多个半导体区域,每个连续的一个半导体区域被完全封闭在另一个封闭的一个半导体区域中。 多个半导体区域在第一导电类型和与第一导电类型相反的第二导电类型之间交替。 包含半导体区域中的所有其他半导体区域的第一封装的一个半导体区域是第二导电类型,使得在衬底和最内围的一个半导体区域之间形成多个串联的光电二极管。 多个复位开关各自具有耦合到交替半导体区域中的不同一个的第一端子和可切换地耦合到复位电位的第二端子。 多个存储节点中的每一个耦合到多个交替半导体区域中的单独一个。